(China (Mainland))
Product Summary
The PM7348-PGI is an ATM Traffic Management Device. The PM7348-PGI provides 622 Mbps of input and output buffered access to switch fabrics composed of QSEs (32 x 32 PM73488s). In addition, the QRT supports a stand-alone, purely output-buffered 622 Mbps switch mode. Head-of-line blocking, commonly associated with input buffers, is virtually eliminated via per-VC receive queues, three types of per-cell switch fabric feedback, and per-VC cell selection algorithms. The QRT also provides eight separate congestion thresholds, each with hysteresis, that selectively control AAL5 Early Packet Discard (EPD)/Packet Tail Discard (PTD), CLP-based cell dropping, and/or EFCI marking.
Features
PM7348-PGI features: (1)Maintains 64 weighted, bandwidth-controlled SCs with per-VC queues; (2)Provides round-robin servicing of queues within each SC; (3)Provides per-channel (VP or VC), per-SC, and per-direction congested and maximum queue depth limits; (4)Provides up to 64K cell buffers.
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